Directorate Change

GlaxoSmithKline PLC
12 February 2007

Issued - 12th February 2007, London





                         GLAXOSMITHKLINE PLC ANNOUNCES
                       CHANGE TO THE BOARD OF DIRECTORS 


GlaxoSmithKline plc (GSK) announces that Dr Stephanie Burns has been appointed
as a Non-Executive Director and will join the Board of the Company with
immediate effect.

Dr Burns is Chairman, President and Chief Executive Officer of Dow Corning
Corporation. An expert in organic chemistry, Dr Burns is also a member of the
American Chemical Society and sits on the executive committee of the Society of
Chemical Industry.

In commenting on the new appointment, Sir Christopher Gent, Chairman of GSK,
said:

"I am delighted that Stephanie has agreed to join the GSK Board.  As a
recognised business leader of a global organisation, together with her strong
scientific background and staunch advocacy for science education, Stephanie will
bring a wealth of experience to the Board."

Dr Burns' biographical details are given below together with a table showing the
membership of the Board and its Committees with effect from 12th February 2007.



Simon Bicknell
Company Secretary



12th February 2007




NOTES 

The Board has determined that Dr Burns is independent in accordance with the
Combined Code on Corporate Governance.



BIOGRAPHICAL DETAILS 


Dr Stephanie Burns

Age 51.  Dr Burns is Chairman, president and chief executive officer of Dow
Corning.  She joined Dow Corning in 1983 as a researcher working on water based
and high temperature elastomers.  She became director of Women's Health in 1994
and subsequently moved into corporate management becoming Science and Technology
Director for Europe in 1997. She was first elected to Dow Corning's Board of
Directors in December 2000, she was then elected president and chief executive
officer in February 2003, Chief Operating Officer in January 2004 and Chairman
in January 2006.



Dr Burns holds a Ph.D. in organic chemistry, with an organosilicon specialty,
from Iowa State University.  She completed her post-doctoral studies at the
Universite Montpellier, Sciences et Techniques du Languedoc, France.

She is a board member of the American Chemical Society and The Conference Board
and sits on the executive committee of the Society of Chemical Industry.  She
has also serves on the Michigan Molecular Institute.






                      BOARD AND COMMITTEE MEMBERSHIP
                  WITH EFFECT FROM 12TH FEBRUARY 2007



Sir Christopher Gent        Chairman

Sir Ian Prosser             Senior Independent Non-Executive Director


Dr J-P Garnier              Chief Executive Officer

Mr J S Heslop               Chief Financial Officer

Dr Moncef Slaoui            Executive Director, Chairman, Research & Development



Dr Stephanie Burns          Independent Non-Executive Director

Mr H Lawrence Culp          Independent Non-Executive Director

Sir Crispin Davis           Independent Non-Executive Director

Sir Deryck Maughan          Independent Non-Executive Director

Dr Daniel Podolsky          Independent Non-Executive Director

Dr Ronaldo Schmitz          Independent Non-Executive Director

Mr Tom de Swaan             Independent Non Executive Director

Sir Robert Wilson           Independent Non-Executive Director




Board Committee                    Committee Chairman                        Members

Audit                              Mr Tom de Swaan                       Sir Deryck Maughan
                                                                         Dr Daniel Podolsky
                                                                         Sir Ian Prosser
                                                                         Dr Ronaldo Schmitz
                                                                         Sir Robert Wilson


Remuneration                       Sir Robert Wilson                     Mr H Lawrence Culp
                                                                         Sir Crispin Davis
                                                                         Sir Christopher Gent
                                                                         Dr Ronaldo Schmitz

Nominations                        Sir Christopher Gent                  Sir Ian Prosser
                                                                         Dr Ronaldo Schmitz

Corporate Responsibility           Sir Christopher Gent                  Sir Ian Prosser
                                                                         Mr Tom de Swaan
                                                                         Dr Daniel Podolsky



GlaxoSmithKline enquiries:


UK Media enquiries:                                    Philip Thomson            [phone]
                                                       Alice Hunt                [phone]
                                                       Gwenan White              [phone]

US Media enquiries:                                    Nancy Pekarek             [phone]
                                                       Mary Anne Rhyne           [phone]
                                                       Patricia Seif             (215)  751 7709

European Analyst/Investor enquiries:                   Anita Kidgell             [phone]
                                                       David Mawdsley            [phone]
                                                       Sally Ferguson            [phone]

US Analyst/ Investor enquiries:                        Frank Murdolo             [phone]
                                                       Tom Curry                 [phone]






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